c4914c1050afc9c951ea170ced5f38c4ace548844a1581414fef7c2cf2e96ae6

Analysis

max time kernel
142s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
04-10-2023 08:23

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General

Target

4114235221979RXGN.pdf
Size

37KB
MD5

c5a91d77796c5f0c13b6f7f1b3b211d7
SHA1

0962fb02d7ce1b41fd45c7a2519e2fbd3567addc
SHA256

c4914c1050afc9c951ea170ced5f38c4ace548844a1581414fef7c2cf2e96ae6
SHA512

a51b01e5c25f76e2c2e5598ef5b98d1f507d90ab6fc5ec8b46085f33a2f979b6c67bd1085e32e1f52083054206b8a0532921f980f821464ef42738c9daa563de
SSDEEP

768:kgY/w7FLuVL0T9z94Ke9+eTV/xe0HRL2ngAjxbd24TmZKN:FY/wZLRz9He9+eTV/7LGgAVJXN

Score

1^/10

Malware Config

Signatures

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4400	AcroRd32.exe
4400	AcroRd32.exe
4400	AcroRd32.exe
4400	AcroRd32.exe
4400	AcroRd32.exe
4400	AcroRd32.exe
4400	AcroRd32.exe
4400	AcroRd32.exe
4400	AcroRd32.exe
4400	AcroRd32.exe
4400	AcroRd32.exe
4400	AcroRd32.exe
4400	AcroRd32.exe
4400	AcroRd32.exe
4400	AcroRd32.exe
4400	AcroRd32.exe
4400	AcroRd32.exe
4400	AcroRd32.exe
4400	AcroRd32.exe
4400	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4400	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4400	AcroRd32.exe
4400	AcroRd32.exe
4400	AcroRd32.exe
4400	AcroRd32.exe
4400	AcroRd32.exe
4400	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4400 wrote to memory of 4844	4400	AcroRd32.exe	88
PID 4400 wrote to memory of 4844	4400	AcroRd32.exe	88
PID 4400 wrote to memory of 4844	4400	AcroRd32.exe	88
PID 4844 wrote to memory of 2756	4844	RdrCEF.exe	90
PID 4844 wrote to memory of 2756	4844	RdrCEF.exe	90
PID 4844 wrote to memory of 2756	4844	RdrCEF.exe	90
PID 4844 wrote to memory of 2756	4844	RdrCEF.exe	90
PID 4844 wrote to memory of 2756	4844	RdrCEF.exe	90
PID 4844 wrote to memory of 2756	4844	RdrCEF.exe	90
PID 4844 wrote to memory of 2756	4844	RdrCEF.exe	90
PID 4844 wrote to memory of 2756	4844	RdrCEF.exe	90
PID 4844 wrote to memory of 2756	4844	RdrCEF.exe	90
PID 4844 wrote to memory of 2756	4844	RdrCEF.exe	90
PID 4844 wrote to memory of 2756	4844	RdrCEF.exe	90
PID 4844 wrote to memory of 2756	4844	RdrCEF.exe	90
PID 4844 wrote to memory of 2756	4844	RdrCEF.exe	90
PID 4844 wrote to memory of 2756	4844	RdrCEF.exe	90
PID 4844 wrote to memory of 2756	4844	RdrCEF.exe	90
PID 4844 wrote to memory of 2756	4844	RdrCEF.exe	90
PID 4844 wrote to memory of 2756	4844	RdrCEF.exe	90
PID 4844 wrote to memory of 2756	4844	RdrCEF.exe	90
PID 4844 wrote to memory of 2756	4844	RdrCEF.exe	90
PID 4844 wrote to memory of 2756	4844	RdrCEF.exe	90
PID 4844 wrote to memory of 2756	4844	RdrCEF.exe	90
PID 4844 wrote to memory of 2756	4844	RdrCEF.exe	90
PID 4844 wrote to memory of 2756	4844	RdrCEF.exe	90
PID 4844 wrote to memory of 2756	4844	RdrCEF.exe	90
PID 4844 wrote to memory of 2756	4844	RdrCEF.exe	90
PID 4844 wrote to memory of 2756	4844	RdrCEF.exe	90
PID 4844 wrote to memory of 2756	4844	RdrCEF.exe	90
PID 4844 wrote to memory of 2756	4844	RdrCEF.exe	90
PID 4844 wrote to memory of 2756	4844	RdrCEF.exe	90
PID 4844 wrote to memory of 2756	4844	RdrCEF.exe	90
PID 4844 wrote to memory of 2756	4844	RdrCEF.exe	90
PID 4844 wrote to memory of 2756	4844	RdrCEF.exe	90
PID 4844 wrote to memory of 2756	4844	RdrCEF.exe	90
PID 4844 wrote to memory of 2756	4844	RdrCEF.exe	90
PID 4844 wrote to memory of 2756	4844	RdrCEF.exe	90
PID 4844 wrote to memory of 2756	4844	RdrCEF.exe	90
PID 4844 wrote to memory of 2756	4844	RdrCEF.exe	90
PID 4844 wrote to memory of 2756	4844	RdrCEF.exe	90
PID 4844 wrote to memory of 2756	4844	RdrCEF.exe	90
PID 4844 wrote to memory of 2756	4844	RdrCEF.exe	90
PID 4844 wrote to memory of 2756	4844	RdrCEF.exe	90
PID 4844 wrote to memory of 2820	4844	RdrCEF.exe	91
PID 4844 wrote to memory of 2820	4844	RdrCEF.exe	91
PID 4844 wrote to memory of 2820	4844	RdrCEF.exe	91
PID 4844 wrote to memory of 2820	4844	RdrCEF.exe	91
PID 4844 wrote to memory of 2820	4844	RdrCEF.exe	91
PID 4844 wrote to memory of 2820	4844	RdrCEF.exe	91
PID 4844 wrote to memory of 2820	4844	RdrCEF.exe	91
PID 4844 wrote to memory of 2820	4844	RdrCEF.exe	91
PID 4844 wrote to memory of 2820	4844	RdrCEF.exe	91
PID 4844 wrote to memory of 2820	4844	RdrCEF.exe	91
PID 4844 wrote to memory of 2820	4844	RdrCEF.exe	91
PID 4844 wrote to memory of 2820	4844	RdrCEF.exe	91
PID 4844 wrote to memory of 2820	4844	RdrCEF.exe	91
PID 4844 wrote to memory of 2820	4844	RdrCEF.exe	91
PID 4844 wrote to memory of 2820	4844	RdrCEF.exe	91
PID 4844 wrote to memory of 2820	4844	RdrCEF.exe	91
PID 4844 wrote to memory of 2820	4844	RdrCEF.exe	91
PID 4844 wrote to memory of 2820	4844	RdrCEF.exe	91
PID 4844 wrote to memory of 2820	4844	RdrCEF.exe	91
PID 4844 wrote to memory of 2820	4844	RdrCEF.exe	91

C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe
"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\4114235221979RXGN.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4400
- C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
  "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=16514043
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4844
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=82E8688F0F8449FA6B3CD7B6FF85F744 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2756
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=1BE6FCC04E4481E6720E0CC87A382B39 --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=1BE6FCC04E4481E6720E0CC87A382B39 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2820
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=E1021CD177F8168C983B040575D19DCB --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=E1021CD177F8168C983B040575D19DCB --renderer-client-id=4 --mojo-platform-channel-handle=2288 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2888
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=0C3115D27B73A15303F3C433678B05D2 --mojo-platform-channel-handle=2424 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:848
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=AE507306934C0BEFCE4D0457E8E9905A --mojo-platform-channel-handle=1876 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4576
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=DEA809E9E2EDC53527EFA10CB04C6769 --mojo-platform-channel-handle=1720 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4864

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2952

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
d2055920866aa4bd4744a3c541c062ea

SHA1
1f2669005d683671ae22fca7ac7e08e156d67f00

SHA256
6bec4ab94bcd487cd5681d5a53e921a312a255f02f214de99d07672a940aae72

SHA512
07370151b64465462885e0e930e1d5d9cc0d94a0b61ceba8395c7cc9cad6f0fdc271fac294d96f80308f90bf2d60ee55e89f29b8840dc9bfb27b21108fcb5b08

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit
memory/4400-143-0x000000000AFD0000-0x000000000B27B000-memory.dmp

Filesize
2.7MB

Download